Shingle pad



FIG. 1 is a plan view of my design for a shingle pad;

FIG. 2 is a side elevational view of my design for a shingle pad;

FIG. 3 is an end elevational view as viewed from the left hand side of my design for a shingle pad;

FIG. 4 is an end elevational viewed as viewed from the right side of my design for a shingle pad; and,

FIG. 5 is a bottom plan view of my design for a shingle pad. 

The ornamental design for a shingle pad, as shown and described. 